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Mimaki JF Series Printhead Assembly – M007278 for JF-1610 and JF-1631
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Genuine OEM Mimaki M007278 industrial UV drop-on-demand piezoelectric printhead assembly engineered specifically for Mimaki JF-1610 and JF-1631 wide-format UV flatbed printers.
OEM Industrial Large-Format UV Flatbed Component
Original Mimaki JF Series Print Head Assy (M007278)
OEM Part Number: M007278 / MP-M007278 (Core Architecture: Toshiba TEC CA3 Platform) | Industrial Piezoelectric Drop-on-Demand (DoD) Grayscale UV Printhead
JF Series Industrial UV Flatbed Architecture Notice
The Mimaki M007278 Print Head Assy is the genuine OEM industrial piezoelectric drop-on-demand replacement module engineered specifically for Mimaki’s foundational heavy-duty UV-curable flatbed production systems (the JF-1610 and JF-1631). Built on the industrial Toshiba TEC CA3 shared-wall piezo engine, this assembly integrates dedicated internal heating elements, precision thermistor monitoring, and stainless steel chassis reinforcement to jet high-viscosity first-generation UV-curable formulations across heavy architectural and industrial display media.
Product Overview
The Original Mimaki JF Series Print Head Assy (M007278) is an authentic factory replacement printhead engineered for continuous industrial manufacturing on the grand-format 1.6 × 1.0 m (JF-1610) and 1.6 × 3.1 m (JF-1631) flatbed platforms. Operating across multi-head staggered carriage arrays, this module drives process colors (CMYK), Light Cyan, Light Magenta, and high-opacity White onto thick, rigid substrates including glass, acrylic, Dibond aluminum composites, wood panels, ceramic tiles, and heavy fluted plastics up to 50 mm in thickness.
Featuring 318 active addressable micro-nozzles configured in a high-precision linear orifice array across a 53.6 mm swathe, the CA3 core technology delivers native resolutions up to 1200 DPI. Leveraging multi-drop grayscale ejection with droplet capabilities from 6 picoliters up to 42 picoliters, the head balances delicate tonal transitions and crisp line art with the ability to fire large drops for solid coverage and dense white layers. Its integrated heating system raises ink temperatures to optimize fluid viscosity before firing, protecting the piezo crystal walls from excessive drive strain and ensuring long service life.
Part Information
| Product Name | Original Mimaki JF Print Head Assy (with Heater & Thermistor) |
| OEM Manufacturer | Mimaki Engineering Co., Ltd. / Toshiba TEC Core Technology (Japan) |
| Primary OEM Part Numbers | M007278 / MP-M007278 |
| Core Transducer Architecture | Toshiba TEC CA3 Shared-Wall Piezoelectric Platform |
| Component Classification | Industrial Shared-Wall Piezoelectric Drop-on-Demand (PZT DoD) Printhead Module |
| Channel Allocation Versatility | Universal Station: Mounts in CMYK Color, Light Cyan, Light Magenta, or White carriage bays |
| Ink Chemistry Pairing | Mimaki Genuine UV-Curable Formulations (UV Inks: LH-100, LF-200, LF-140 Series) |
| Country of Origin | Japan (Genuine Factory Original Sealed Package) |
Technical Specifications
| Printhead Platform | Industrial Shared-Wall 3-Cycle Piezoelectric Drop-on-Demand (PZT Actuator System) |
| Active Addressable Nozzles | 318 active nozzles arranged in a single linear orifice row |
| Print Swathe Width & Pitch | 53.6 mm active print swath; nozzle pitch: 169 μm (150 NPI native linear resolution) |
| Droplet Size Modulation | Multi-drop grayscale: 6 pl (minimum drop) up to 42 pl (maximum multi-drop) |
| Grayscale Levels | Up to 8 grayscale levels (1 drop to 7 drops per pixel firing waveform) |
| Maximum Jetting Frequency | 6.2 kHz (multi-drop grayscale mode) up to 28 kHz (single-drop mode) |
| Integrated Thermal Subsystem | Internal heating block and high-precision thermistor harness (calibrated up to 50°C) |
| Fluid Interface Porting | Dual-port manifold connection matched to JF-series ink supply sub-tanks |
| Electrical Interface | Dual high-density gold-plated flat flexible cable (FFC) socket array with ground shielding |
| Operating Temperature & Humidity | 18°C to 30°C (64°F to 86°F); 35% to 65% RH non-condensing |
| Physical Dimensions & Net Weight | 85 × 70 × 23 mm (bare head core); Net weight: ~145 g / Packaged: ~0.35 kg |
Key Features & Operational Advantages
- Toshiba CA3 Actuator Reliability: Industrial shear-mode PZT shared-wall construction delivers stable drop firing and high resistance to aggressive UV monomers and photoinitiators.
- Multi-Drop Grayscale Ejection: Modulates firing from 6 pl to 42 pl, enabling sharp text definition, smooth flesh tones, and dense, pinhole-free solid background fills.
- Integrated Viscosity Regulation: Internal heating block warms heavy UV inks to optimal operating viscosity directly before droplet ejection, maintaining jetting velocity and uniform dot placement across temperature shifts.
- Direct JF Series Factory Drop-In: Built to exact OEM specifications, restoring correct platen height, ink firing speed, and registration on older industrial flatbeds.
CRITICAL TECHNICAL & SERVICE ADVISORY
1. CA3 vs. CE4 Platform Distinction: The M007278 is engineered around the Toshiba CA3 core (6–42 pl drop spectrum) for the first-generation JF-1610 and JF-1631 flatbeds. It is physically and electronically distinct from the newer CE4 / CE4N heads (M018821 / M008386) used in the JFX-1631Plus / UJF-3042 MkII series. Do not substitute CA3 and CE4 heads without confirming carriage driver board compatibility and firmware level.
2. External Mounting Plate & Bracket Transfer: The replacement package M007278 includes the calibrated printhead core, heater, and thermistor harness, but does not include the machine-specific cast aluminum carriage mounting plate. Technicians must clean and transfer the precision mounting bracket from the decommissioned head, checking for square alignment and zero mechanical play.
3. Mandatory Head ID Parameter Input: Following physical mounting and connection of the dual ribbon cables, the technician MUST enter the alphanumeric Head ID value (printed on the barcode label) into the printer’s service parameters (`#PARAMETER` > `HEAD ID`). Operating without registration will lead to incorrect piezo driving waveforms, drop deflection, and premature actuator failure.
4. Faceplate Maintenance & Capping Care: Never wipe the coated nozzle face with dry wipes or abrasive cloths. Clean only using approved lint-free foam-tipped swabs moistened with genuine Mimaki UV cleaning solution (F-200 / LF-200). Inspect and clean the rubber capping station seals and wiper blades regularly to avoid cured UV ink accumulation around the nozzle row.
Compatible Models & Systems
| Printer Platform | OEM Part Number | Supported Machine Configuration |
|---|---|---|
| Mimaki JF-1610 | M007278 / MP-M007278 | 1.6 × 1.0 m Heavy-Duty Industrial UV Flatbed Press |
| Mimaki JF-1631 | M007278 / MP-M007278 | 1.6 × 3.1 m Dual-Zone Industrial UV Production Flatbed |
| Mimaki JFX-1631Plus (Reference) | M018821 / M008386 | Incompatible: Upgraded "Plus" generation models utilize Toshiba CE4 architecture |
| Mimaki JFX200 Flatbed Series (Reference) | M022625 / MP-M022625 | Incompatible: JFX200 series utilizes Ricoh Gen5 MH5420 printheads |
*Model Differentiation Note: Specifically engineered for original Mimaki JF-1610 and JF-1631 flatbeds. Check your machine generation (JF vs. JFX Plus) before unpacking.
Terms, Warranty & Customer Protection
Condition: 100% Brand New, Genuine OEM Factory-Original Mimaki / Toshiba TEC Replacement Printhead in sealed factory packaging with factory shipping preservation fluid intact.
Manufacturer Warranty: Covered under standard OEM parts limited warranty against material and manufacturing defects out-of-box prior to ink introduction. No warranty applies once active UV ink or flush fluid has been introduced into the micro-fluidic chambers, or if damage results from head strikes, substrate collisions, electrostatic discharge, or improper cable seating.
Return Policy: Precision industrial electronic component. Unopened, factory-sealed boxes with intact tamper-evident seals are eligible for standard commercial return. Once the vacuum seal is broken, protective nozzle tape removed, or the head mounted onto a carriage frame, returns cannot be accepted due to fluid priming, static risk, and electrical contamination hazards.
M007278
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